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  1. No Access

    Article

    Surface modification of colloidal silica particles

    Colloidal silica particles in organic solvents were grafted, using several reagents, in order to make them hydrophobic. The hydrophobicity of the beads could be easily varied. Quasielastic light scattering an...

    C. Poncet-Legrand, B. Bordes, F. Lafuma in Colloid and Polymer Science (2001)

  2. No Access

    Article

    Highly hydrophobically modified polyelectrolytes stabilizing macroemulsions: relationship between copolymer structure and emulsion type

    The types of emulsions, oil (n-dodecane) in water (O/W) or water in oil (W/O), stabilized with highly hydrophobically grafted linear poly(sodium acrylate)s, were investigated as a function of polymer chemical ar...

    P. Perrin, N. Monfreux, F. Lafuma in Colloid and Polymer Science (1999)

  3. No Access

    Article

    Highly hydrophobically modified polyelectrolytes: Field variables to control emulsion type

    Highly hydrophobically modified (with n-dodecylamide chain) linear poly(acrylic acid)s (HHMPAAH) and poly(sodium acrylate)s (HHMPAANa) with various degrees of grafting (τ) were synthesized and used as emulsifier...

    P. Perrin, N. Monfreux, A. L. Dufour, F. Lafuma in Colloid and Polymer Science (1998)

  4. No Access

    Article

    Coupling between polymer adsorption and colloidal particle aggregation

    Studies of the adsorption of high molecular weight polymers on colloidal latex and silica particles and their subsequent flocculation were carried out. Neutral polyethylene oxide samples with both a narrow and...

    V. Chaplain, M. L. Janex, F. Lafuma, C. Graillat… in Colloid and Polymer Science (1995)

  5. No Access

    Article

    Rheological behavior of moderately concentrated silica suspensions in the presence of adsorbed poly(ethylene oxide)

    Adsorption and flocculation properties have been investigated for a well-characterized aqueous system of precipitated nanometric silicabeads in the presence of a high molecular-weight poly(ethylene oxide). Par...

    S. F. Liu, F. Lafuma, R. Audebert in Colloid and Polymer Science (1994)

  6. No Access

    Article

    Reversible flocculation of silica suspensions by water-soluble polymers

    The possibility to concentrate, then redisperse colloidal suspensions is not only of great theoretical interest, but is also relevant to the industrial process of solid-liquid separation, which must often be f...

    S. Vaslin-Reimann, F. Lafuma, R. Audebert in Colloid and Polymer Science (1990)

  7. No Access

    Article

    Short range order of silica particles bound through adsorbed polymer layers

    Small angle neutron scattering was used to examine the organization of silica spheres which had been flocculated by various cationic copolymers. When the adsorbed polymers bound the spheres without compensatin...

    B. Cabane, K. Wong, T. K. Wang, F. Lafuma, R. Duplessix in Colloid and Polymer Science (1988)